Results folders:
..//ext311-12/btrfs1.ffsb.random_writes_odirect__threads_0128.09-11-13_14.26.21
..//ext411-12/btrfs1.ffsb.random_writes_odirect__threads_0128.09-11-13_17.30.55
..//jfs11-12/btrfs1.ffsb.random_writes_odirect__threads_0128.09-11-13_20.37.13
..//xfs11-12/btrfs1.ffsb.random_writes_odirect__threads_0128.09-11-13_23.33.44